—What’re the rules in class?                 —First, mobile phones can’t be ______.
#53189
A
to use
B
using
C
used
D
use
推荐题目
The food in the fridge ________ bad. Throw it away, please.
#60447
A
is smelt terrible
B
smells terrible
C
smells terribly
D
is smelt terribly
 She         a very close friend of mine .
#52274
A
was used to be
B
used to be
C
use to being
D
was used to being